YCX26ยท AISilmaril
Security for agents that self-improves
Founders
- Aum UpadhyayFounder/CEO
- Eduardo VelascoFounder/CTO
Same space
Adjacent
Overlapping tags, a different niche.
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HiroS23Agents that handle security workShared: security, agentActive
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About Silmaril
Silmaril is the first security for agents that self-improves. It understands application context to block 2x as many threats as current SOTA defenses with 10x lower latency. Customers plug us into agentic frameworks like LangGraph with 5 lines of code. Silmaril has stopped $28M of damages for customers.
San Francisco, CA, USA
Silmaril: questions
Which YC batch was Silmaril in?
Silmaril was in Y Combinator's Spring 2026 batch (X26).
Is Silmaril still active?
Y Combinator lists Silmaril as active.
Who founded Silmaril?
Silmaril's founders, as listed on its YC page: Aum Upadhyay (Founder/CEO), Eduardo Velasco (Founder/CTO).
Where is Silmaril based?
Silmaril lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.